From 19dedede53cb3fa6f5a5eb41d2f33d6e214dc79b Mon Sep 17 00:00:00 2001
From: Pragyansh Chaturvedi <pragyanshchaturvedi18@gmail.com>
Date: Sat, 1 Nov 2025 14:05:50 +0530
Subject: [PATCH] Implement BPF_GET_SMP_PROCESSOR_ID helper

---
 pythonbpf/helper/bpf_helper_handler.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/pythonbpf/helper/bpf_helper_handler.py b/pythonbpf/helper/bpf_helper_handler.py
index e231db9..230d4a8 100644
--- a/pythonbpf/helper/bpf_helper_handler.py
+++ b/pythonbpf/helper/bpf_helper_handler.py
@@ -514,6 +514,29 @@ def bpf_probe_read_emitter(
     return result, ir.IntType(64)
 
 
+@HelperHandlerRegistry.register("smp_processor_id")
+def bpf_get_smp_processor_id_emitter(
+    call,
+    map_ptr,
+    module,
+    builder,
+    func,
+    local_sym_tab=None,
+    struct_sym_tab=None,
+    map_sym_tab=None,
+):
+    """
+    Emit LLVM IR for bpf_get_smp_processor_id helper function call.
+    """
+    helper_id = ir.Constant(ir.IntType(64), BPFHelperID.BPF_GET_SMP_PROCESSOR_ID.value)
+    fn_type = ir.FunctionType(ir.IntType(32), [], var_arg=False)
+    fn_ptr_type = ir.PointerType(fn_type)
+    fn_ptr = builder.inttoptr(helper_id, fn_ptr_type)
+    result = builder.call(fn_ptr, [], tail=False)
+    logger.info("Emitted bpf_get_smp_processor_id call")
+    return result, ir.IntType(32)
+
+
 def handle_helper_call(
     call,
     module,